Canadian Medical Guide > Organisms > Animals > Chordata > Vertebrates > Birds > Ratites Terms and Definitions




Ratites

Medical Definition: A grouping of flightless birds consisting of four orders: the Apterygiformes, which includes Kiwi birds; the Casuariiformes, which includes EMUS; the Rheiformes, or RHEAS; and the Struthioniformes, or OSTRICHES.
Also Called: Kiwi Bird
Previously Indexed: Birds (1968-1998)
Ratites Categories.
Canadian Medical Guide Definition Emus - Members of the Casuariiformes, an order of flightless, running birds. The Emu is the only surviving member of the family Dromeidae. They naturally inhabit forests, open plains, and grasslands in Australia.
Canadian Medical Guide Definition Ostriches - Flightless birds of the order Struthioniformes which naturally inhabit open, low rainfall areas of Africa.
Canadian Medical Guide Definition Rheas - Members of the Rheiformes, a South American order of large, long-necked, long-legged, flightless birds, sometimes called American ostriches, though in a separate order from true OSTRICHES.

Ratites Medical Definitions and Terms

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